LS2 Rebellion Helmet Unleash your rebel spirit with the LS2 Rebellion Helmet. Crafted from lightweight Kinetic Polymer Alloy, it's a fusion of retro-cool and modern edge. Experience ported ventilation for cool rides, a sleek sun shield, and dual-density EPS safety. Easy-to-use features include a quick-release chin strap. Ride your way with the LS2 Rebellion where style meets independence. Note: Customers have found this helmet runs large an recommend sizing down if in between sizes. Features: Kinetic Polymer Alloy (Kpa) shell 2 shell sizes (Xs-Lg and Xl-2Xl) Multi-density EPS Adjustable Twin Shield System drop-down dark smoke sun shield Sun shield is UV- and scratch-resistant Micrometric quick release chin strap Flow-through ventilation with channeled port and top vent Technical fabric liner is hypoallergenic, moisture wicking, removable and washable Laser-cut foam DOT approved